Why Are My Resin Keychains Breaking?

Resin keychains, while visually appealing and durable, can be prone to breaking if not properly cared for or manufactured with the right materials and techniques. Here, we explore common issues and provide solutions to help you prevent and fix breaking resin keychains.

Curing Issues

A key reason resin keychains break is due to incomplete curing. When the resin isn't fully cured, it remains brittle and more susceptible to damage. To ensure proper curing, follow the manufacturer's instructions for mixing and curing times. Consistently curing resin in the recommended conditions can significantly enhance its durability.

Bubbles and Inclusions

Trapped air bubbles and inclusions can create weak points within the resin, leading to potential cracking or breaking. Before pouring the resin, degas it thoroughly to release bubbles, and gently tap the mold to release any air pockets. Proper degassing can greatly reduce the risk of cracks forming during the curing process.

Thickness and Design

The thickness and intricacy of the design on resin keychains also play a role. Keychains that are too thin or have intricate designs may be more prone to breaking. Consider adjusting the thickness or simplifying the design to make them more robust and durable.

Material Quality

Using low-quality resin can lead to brittleness. It's essential to use high-quality epoxy resin specifically designed for casting. Investing in high-quality materials is key to ensuring your resin creations remain durable and resistant to breaking.

Environmental Factors

Extreme temperatures or exposure to sunlight can also affect the durability of resin. Store and use resin keychains in a stable environment to prevent heat-related issues. Protecting your resin creations from heat and UV light can help maintain their integrity.

Post-Curing Treatment

In some cases, additional post-curing under UV light can strengthen the resin. If this method is applicable to your resin keychains, consider subjecting them to post-curing to enhance their durability and resistance to cracking.

Handling and Use

Keychains subjected to excessive force or frequent drops can break more easily. Consider the way they are being used and stored. Proper handling can significantly extend the lifespan of your resin keychains.

Fixing Cracking Resin Keychains

Unfortunately, epoxy resin can crack when it gets too hot and then cools off quickly. Here's how you can fix cracking resin keychains: Wait for the resin to fully cure and cool down. Sand the area with cracks down to the level of the crack. Refill the damaged area with fresh resin. Cover the area with a tabletop coating or polish it. By following these steps, you can repair the damage and extend the life of your resin keychains.

Conclusion: Proper curing, material selection, and handling are crucial for creating and maintaining robust resin keychains. Addressing and fixing cracking issues as soon as they appear can help you enjoy your resin creations for years to come.